United States. Bureau of Labor Statistics. "Wage Chronology: The Boeing Co. (Washington Plants) and International Association of Machinists, June 1936-October 1977 : Bulletin of the United States Bureau of Labor Statistics, No. 1895," Wage Chronology: The Boeing Co. (Washington Plants) (1976). https://fraser.stlouisfed.org/title/4907/item/499191, accessed on September 11, 2024.